DETROIT — It wasn’t a boast or an overreach, because it came from Brian Sabean, a master of the literal and the tangible here and now.

And yet, not long ago, the Giants’ veteran general manager allowed himself to glance out into the glimmering future for the Giants, and what he saw was real.

“As we all know, for the right reasons in the past football had a foothold in the town,” Sabean said.

“And the 49ers certainly had their run. And maybe this is ours.”

It is the Giants’ time — in the Bay Area and beyond. It’s impossible to deny, as the Game 2 thrumming from AT&T Park only now begins to recede.

And yes, there is every reason to believe that this team is the middle of a mini-dynasty at the very least, and quite possibly much more than that.

After their Game 1 and Game 2 triumphs over the Detroit Tigers, the Giants are two victories away from their second World Series title in three years, with Game 3 in Detroit set for Saturday.

Meanwhile, this Giants rise — which started with their 2010 title — comes at a time when consistent championship contention has proved impossible even for the richest franchises.

The last MLB team to win multiple titles this rapidly was the Yankees, with three consecutive from 1998 to 2000.

But the Giants are perched for their second title and firmly believe they would’ve strongly contended last year, too, if Buster Posey hadn’t been lost for the season in May.

How has this happened? Will it last?

The two answers are essentially the same — every explanation for the Giants’ ascendancy traces back to Sabean and manager Bruce Bochy, who clearly make each other better and have invested this franchise with guts, instincts and remarkable stability.

Is there a better, more cohesive management team in baseball right now? I can’t think of one.

And there is no sign that either man is going anywhere — or would want to.

Everything ripples from their philosophies — Sabean and his staff gather and keep the talent, Bochy and his staff plug the players into the right spots and keep everything on point.

“Maybe the sweet spot is the manager and the coaching staff,” Sabean said. “And some of our players that have been mainstays in 2010 and have had the experience. It is a good group. A lot of continuity.”

Sabean points to the relative youth of many of their core players, from Posey to Pablo Sandoval to Brandon Crawford.

And Bochy has been a maestro of blending in veteran players from other teams — Hunter Pence, Angel Pagan and Gregor Blanco this season; Cody Ross, Edgar Renteria and Pat Burrell in 2010.

But the foundation of this Giants franchise is and probably always will be the pitching, which is a Sabean specialty, with the keen help from top aide Dick Tidrow.

Ready to go in Games 3 and 4 — Ryan Vogelsong, picked up off the scrap heap and winner of two huge NLCS games, and Matt Cain, the pride of the Giants’ draft-and-development system.

“I think teams want to be more offensive, get more hitters, get more power, get more runs,” said reliever Jeremy Affeldt. “But if you can’t keep runs from scoring, you’re going to lose.

“(Sabean) retained the pitching staff; he locked up some young guys he wants around for a long time; because I think pitching, especially in this ballpark and this division, is the nucleus.”

In consecutive trips to the World Series, the Giants’ pitching has dominated two powerful American League offenses — Texas in 2010 and through the first two games, Detroit.

Madison Bumgarner, by the way, hasn’t given up an earned run in 15 career World Series innings, and he isn’t yet 24 years old.

The Giants traded away top prospect Zack Wheeler last summer, but the pitchers keep coming, led by system gems Kyle Crick and Clayton Blackburn.

All of this was galvanized in the middle of 2010, when Sabean and Bochy were on the ropes (including a suggestion by me that they be fired), then brought up Posey and Bumgarner and everything changed.

And once the Giants started winning in the playoffs, they haven’t stopped — they’re 5-0 in postseason series, and 2-0 up in this one.

“I do realize being here twice in the last three years is a great accomplishment,” Posey said this week.

And now, just a few years after Sabean openly wondered what would happen to the fan base once Barry Bonds departed, AT&T Park is the loudest and happiest place on earth.

The Giants might not win the championship every year, but their ownership has committed to keeping the Giants’ payroll in the top rung, and Sabean suggests that on-field success leads to more financial commitment.

This is what the Giants lacked for 52 years, until they won their first San Francisco championship two years ago. This is what all other franchises want.

This is what the Dodgers are trying to buy, but that is far from a guaranteed path.

The Giants have the young players, they have the pitching and they have Sabean and Bochy, who have found the sweetest sweet spot since Bill Walsh, Eddie DeBartolo and Joe Montana experienced some sweetness themselves.

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